the Tonghe River Basin is the territory of barbarians in the waters and the forbidden place of the Terrans.,in order to clean up the Tonghe River, the Terrans built a city, the City of death, only a hundred miles from the dead section of the Tonghe River.,"there was another martial arts struggle in Caoshi Street. It is said that more than 60 people were killed, with blood flowing into rivers, including strong martial arts in the polar regions."。